Bug 2914 - [xk]dm falls back to xhost authentication
[xk]dm falls back to xhost authentication
Status: CLOSED DUPLICATE of bug 2423
Product: Red Hat Linux
Classification: Retired
Component: kdebase (Show other bugs)
6.0
i386 Linux
medium Severity medium
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Assigned To: David Lawrence
: Security
Depends On:
Blocks:
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Reported: 1999-05-18 15:07 EDT by ard
Modified: 2008-05-01 11:37 EDT (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 1999-06-14 17:15:45 EDT
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Description ard 1999-05-18 15:07:24 EDT
When using [kx]dm as prefdm (/etc/X11/prefdm) the directory
/etc/X11/xdm/authdir does not exists, in which case the dm
-failing to store xauth cookies- falls back to using xhost
authentication.

Any user on the system can now grab whatever display (either
local or remote) has logged into the system, and wreck
havoc.

If not sure type xhost at an xterm to check for security. If
it shows:
inet:localhost
LOCAL:
(etc.), your authdir does not exist.
Create it now, or fear the laughter of your colleages
(filling your screen with garbage) :).

------- Additional Comments From   06/05/99 15:32 -------
This doesn t seem to happen with the alpha distrib ...
(shouldn t they all come from the same .src, BTW ? or this is due
do different SPECS files ?)
But I confirm it on i386...
The problem I have now, is that I canot xhost -localhost or xhost
-Mylocdispname ... the command pass silently but tese entries remain
in the list !
Comment 1 Preston Brown 1999-06-08 12:52:59 EDT
We will soon be putting out an errata release of X that explicitly
packages the authdir.  Under some (unexplored) circumstances, xdm will
create the directory for itself, but we cannot rely on this happening.
Thank you for the report.
Comment 2 Preston Brown 1999-06-14 17:15:59 EDT
*** This bug has been marked as a duplicate of 2423 ***

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